Oregon law now uses the broader term parentage
Legal parentage may arise through birth, a marital presumption, acknowledgment, court or administrative adjudication, adoption, or Oregon’s assisted-reproduction statutes. Genetic connection is relevant in some cases but does not answer every legal-parentage question. ORS 109.065 (opens in a new tab) lists the recognized methods.
Acknowledgments and presumptions have specific challenge procedures and deadlines. Once parentage is established, a parent may seek custody, parenting time, and support, but those terms may require a separate request and order. Useful records include the birth record, acknowledgment forms, existing judgments, genetic-testing documents, and a clear history of the child’s residence and care.